The displacement field characterization of two interacting parallel edge cracks in a finite body /
addition, an examination of the results indicated that the
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| Format: | Thesis eBook |
| Language: | English |
| Published: |
[Place of publication not identified] :
[publisher not identified] ;
1996.
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| Subjects: | |
| Online Access: | Link to OAKTrust copy |
| Summary: | addition, an examination of the results indicated that the and experimental moir6 fringe patterns while numerical changes in either the relative crack length or crack conjunction with the combined Westergaard-Schwarz approach to crack separations studied. Although the interaction between crack system. A local collocation analysis procedure was crack was kept fixed while the length of the second crack and crack-tips, no significant effects were observed due to degree of crack separation has little or no effect for the displacement field model to the geometry of interest. In effect on opening mode stress intensity factors while the element models, to both verify the validity of the model and equations and strain-displacement relations were applied in Experimental results were verified by comparing reconstructed investigate the interaction effects of the two cracks. numerical results demonstrated the applicability of the obtain both u and v displacement field models of the multiple on the interaction effects of the two cracks. Constitutive parallel edge cracks; and (2) use this model to investigate relative crack length of the two cracks has a pronounced represent the displacement field surrounding two interacting, Results were obtained for cases in which the length of one results were verified by comparing J-integrals predicted separation. the analysis procedure. Comparison between experimental and the distance between the two cracks were varied. The goals of this research were to: (1) develop a model to the influence of crack separation and relative crack length the two cracks does introduce shear mode loading at the through finite element analyses to those calculated through used, along with geometric moir6 experiments and finite |
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| Item Description: | "Major subject: Mechanical Engineering". Vita. |
| Physical Description: | xvi, 185 leaves : illustrations ; 28 cm. Also available online. Issued also on microfiche from Lange Micrographics. |
| Bibliography: | Includes bibliographical references: pages 115-117. |